On loom warp mending operation

Details On loom warp mending operation On loom warp mending operation

1991-04-19

1992-07-21

Falik, Andrew M.

Textiles: weaving

Warp manipulation

139 1R, 139351, D03J 114

Patent

active

051314355

ABSTRACT:
A warp mending operation control method includes the steps of: dividing a warp line in a loom into a plurality of sections each corresponding to a respective one of a plurality of warp mending devices; storing operation programs for controlling the respective warp mending devices corresponding to the plurality of sections and detecting the section where the warp line is broken; and driving the warp mending device which has been positioned in the section in which a broken warp line has been detected after reading the operation program corresponding to that section. A warp mending operation control apparatus includes: a memory for storing operation programs for controlling warp mending devices each positioned in corresponding sections provided by dividing a warp line in a loom, the mending devices for mending a broken warp line having leading and trailing edges; a suction nozzle with a yarn sensor which is movable to both the leading and trailing edges of the broken warp line in both the width direction of the loom and the direction of the warp upon reception of a warp stop signal issued by a warp stop motion; a breakage section judging unit for judging a breakage section where the warp line is broken upon reception of a detected signal issued by the yarn sensor and a selection control unit for reading the operation programs corresponding to the thus judged breakage section out of the memory and for driving the warp mending device positioned at the breakage section.

REFERENCES:
patent: 4817675 (1989-04-01), Dewaele et al.
patent: 4905737 (1990-03-01), Gryson
patent: 4967801 (1990-11-01), Gryson

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